<template>
<div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card class="box-card">
        <!-- 搜索与添加区域 -->
    <el-row :gutter="10">
        <el-col :span="9">
            <el-input placeholder="请输入内容" v-model="queryInfo.query"  clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" ></el-button>
            </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible=true" >添加用户</el-button>
        </el-col>
    </el-row>
    <!-- 用户列表区 -->
    <el-table :data="userlist" border stripe min-width="800px;">
        <el-table-column label="#"  type="index"></el-table-column>
        <el-table-column label="用户名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="username"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
            <template slot-scope="scope">
              <el-switch
              v-model="scope.row.mg_state"  @change ="userStateChanged(scope.row)">
              </el-switch>
            </template>
        </el-table-column>
        <el-table-column label="操作" min-width="120px;">
            <template slot-scope="scope">
                <!-- 修改 -->
                <el-tooltip class="item" effect="light" content="用户修改" placement="top" :enterable="false">
                <el-button type="primary" icon="el-icon-edit" circle size="mini"  @click ="showEditDialog(scope.row.id)"></el-button>
                </el-tooltip>
                <!-- 删除 -->
                <el-tooltip class="item" effect="light" content="用户删除" placement="top" :enterable="false">
                <el-button type="danger" icon="el-icon-delete" circle size="mini" @click="removeUserById(scope.row.id)"
               ></el-button>
                </el-tooltip>
                <!-- 分配角色 -->
                <el-tooltip class="item" effect="light" content="分配角色" placement="top" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" circle size="mini" @click ="setRole(scope.row)"></el-button>
                </el-tooltip>
            </template>
        </el-table-column>
    </el-table>
    <!-- 分页区域 -->
     <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
</el-card>
<!-- 添加用户对话框 -->
<el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%" @close="addDialogClosed()">
  <!-- 主体区域 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
   </el-form-item>
   <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
   </el-form-item>
    <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
   </el-form-item>
    <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
   </el-form-item>
  </el-form>
  <!-- 底部区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser()">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户对话框 -->
<!-- 标题区 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed()">
<!-- 内容主题区 -->
 <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
  <el-form-item label="用户名" >
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
   <el-form-item label="邮箱" >
    <el-input v-model="editForm.email" prop="email"></el-input>
  </el-form-item>
   <el-form-item label="手机" >
    <el-input v-model="editForm.mobile" prop="mobile"></el-input>
  </el-form-item>
 </el-form>
  <!-- 尾部 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo()">确 定</el-button>
  </span>
</el-dialog>

<!-- 分配角色对话框 -->
 <el-dialog
      :visible.sync="setRoleDialogVisible"
      title="分配角色"
      width="35%"
      @close="setRoleDialogClosed">
      <div>
        <p>当前的用户: {{ userInfo.username }}</p>
        <p>当前的角色: {{ userInfo.role_name }}</p>
        <p>分配新角色:
          <el-select v-model="selectedRoled" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>

      </div>
      <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
  </span>
    </el-dialog>
</div>
</template>
<script>
export default {
    data(){
        // 自定义验证邮箱
        var checkemail =(rule,value,cb)=>{
             const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
             if(regEmail.test(value)){
                 return cb();
             } cb(new Error('请输入合法的邮箱'))
        };
        //自定义验证手机号
        var checkmobile =(rule,value,cb)=>{
             const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
              if (regMobile.test(value)) {
          // 合法的手机号
           return cb()
       }
       cb(new Error('请输入合法的手机号!'))
      };
        return{
            // 获取用户参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            userlist:[],
            total:0,
            // 控制用户对话框显示与隐藏
            addDialogVisible:false,
            // 添加用户表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            // 添加表单的验证规则对象
            addFormRules:{
                username:[
               { required: true, message: '请输入用户名称', trigger: 'blur' },
               { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' },
                ],
                 // 验证密码
               password:[
                  { required: true, message: '请输入密码', trigger: 'blur' },
                  { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }  
               ],
               // 邮箱
               email:[
                   { required: true, message: '请输入邮箱', trigger: 'blur' },
                   { validator: checkemail, trigger: 'blur' }
               ],
               // 手机
               mobile:[
                   { required: true, message: '请输入手机', trigger: 'blur' },
                   { validator: checkmobile, trigger: 'blur' },
               ],
            },
            // 控制修改用户对话框的显示和隐藏
            editDialogVisible:false,
            editForm:{},
            // 修改表单的验证规则
            editFormRules:{
                // 邮箱
               email:[
                   { required: true, message: '请输入邮箱', trigger: 'blur' },
                   { validator: checkemail, trigger: 'blur' }
               ],
               // 手机
               mobile:[
                   { required: true, message: '请输入手机', trigger: 'blur' },
                   { validator: checkmobile, trigger: 'blur' }
               ]
            },
            // 控制分配权限对话框显示与隐藏
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
                userInfo: {},
                // 所有角色的数据列表
                rolesList: [],
                // 已选中的角色Id值
                selectedRoled: ''
        }
    },
    created(){
         this.getUserList()
    },
    methods:{
     async   getUserList(){
      const{data:res} = await this.$http.get('users',{
             params:this.queryInfo
         })
         if(res.meta.status!==200) return this.$message.error('获取用户列表失败')
         console.log(res);
         this.userlist =res.data.users
         this.total = res.data.total
        },
        // pagesize改变监听
      handleSizeChange(newSize){
          console.log(newSize)
          this.queryInfo.pagesize = newSize
          this.getUserList()
      },
      // 页码值改变监听
      handleCurrentChange(newPage){
          console.log(newPage)
          this.queryInfo.pagenum = newPage;
          this.getUserList()
      },
      // 监听 switch页面的绑定
    async  userStateChanged(userinfo){
         console.log(userinfo);
      const{data:res} = await  this.$http.put(`users/${userinfo.id}/state/{userinfo.mg_state}`)
        if(res.meta.status !== 200) { 
            this.userinfo.mg_state = !userinfo.mg_state;
            return this.$message.err('更新用户状态失败!')
        }
        this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed(){
          this.$refs.addFormRef.resetFields()
    },
    // 点击按钮 添加新用户
    addUser(){
        this.$refs.addFormRef.validate( async valid =>{
            console.log(valid)
            if(!valid) return 
            // 可以发起网络请求
      const {data:res} = await this.$http.post('users',this.addForm)
      if(res.meta.status !== 200){
          this.$message.error('添加用户失败!')
      }
      this.$message.success('添加用户成功！')
      // 隐藏添加用户对话框
      this.addDialogVisible = false;
      // 重新获取用户数据
      this.getUserList();

        })
    },
    // 展示修改用户对话框
   async  showEditDialog(id){
      //  console.log(id);
      const {data:res} =await this.$http.get('users/'+id);
      if(res.meta.status !==200){
         return this.$message.error('查询用户信息失败！')
      }
        this.editForm = res.data;
        this.editDialogVisible =true;
        console.log(this.editForm);
    },
    // 监听修改用户的重置事件
    editDialogClosed(){
       this.$refs.editFormRef.resetFields()
    },
    // 校验并提交
    editUserInfo(){
        this.$refs.editFormRef.validate(async valid =>{
          console.log(valid);
   
        if(!valid) return 
        console.log(this.editForm)
        // 发起修改用户的请求
     const {data:res} = await this.$http.put(`users/${this.editForm.id}`,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
      })
      if(res.meta.status !== 200){
       this.$message.error('更新用户信息失败')
     }else{
     // 关闭对话框
      this.editDialogVisible = false;
    //  // 刷新数据列表
      this.getUserList()
    //  // 提示修改成功
     this.$message.success('更新用户信息成功!')
    }
      })  
    },
  async  removeUserById(id){
        // 弹框提示是否删除
    const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err);
         // 如果用户确认删除, 则返回值为字符串 confirm
      // 如果用户取消删除, 则返回值为字符串 cancel
       // console.log(id);
       if(confirmResult !=="confirm"){
           return this.$message.info('已取消删除')
       }
            console.log('确认了删除!')
         const {data:res} = await  this.$http.delete('users/'+id);
         if(res.meta.status !== 200){
             return this.$message.error('删除用户失败!') 
         }
             // 重新获得列表刷新页面
              this.getUserList();
              return this.$message.success('删除用户成功!');
            
       },
  // 设置用户权限
   async setRole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前, 获取所有的角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败!')
      }
      this.rolesList = res.data
      console.log(this.rolesList)
      this.setRoleDialogVisible = true
    },
    
          /**
     * 点击按钮, 分配角色
     */
    async saveRoleInfo () {
      if (!this.selectedRoled) {
        return this.$message.error('请选择角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoled
      })
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败!')
      } else {
        this.getUserList()
        // 隐藏对话框
        this.setRoleDialogVisible = false
        return this.$message.success('更新角色成功!')
      }
    },
       /**
     * 监听分配角色对话框的关闭事件
     */
    setRoleDialogClosed () {
      this.selectedRoled = ''
    }
      }

    }

</script>
<style scoped>

</style>